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   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  namespace phpbb\di;
  15  
  16  /**
  17  * Iterator which loads the services when they are requested
  18  */
  19  class service_collection_iterator extends \ArrayIterator
  20  {
  21      /**
  22      * @var \phpbb\di\service_collection
  23      */
  24      protected $collection;
  25  
  26      /**
  27      * Construct an ArrayIterator for service_collection
  28      *
  29      * @param \phpbb\di\service_collection $collection The collection to iterate over
  30      * @param int $flags Flags to control the behaviour of the ArrayObject object.
  31      * @see ArrayObject::setFlags()
  32      */
  33  	public function __construct(service_collection $collection, $flags = 0)
  34      {
  35          parent::__construct($collection->getArrayCopy(), $flags);
  36          $this->collection = $collection;
  37      }
  38  
  39      /**
  40      * {@inheritdoc}
  41      */
  42  	public function current()
  43      {
  44          return $this->collection->offsetGet($this->key());
  45      }
  46  }